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Respiratory System

Across
Lets air pass through speech production
Protects the respiratory organs
Lets air and food enter
Site for O2-CO2 exchange
Purifies, humidifies the air
Moves the ribs during breathing
Helps pump the lungs
Channels air towards the left/right bronchi
Process of breathing air out
Down
Way or air to enter the body
Process of breathing air in
Helps keep lungs flexible
Lets air reach the alveoli
Keeps food from entering the airways
Carries out O2-CO2 gas exchange
Allows air to enter the lungs
Plural of bronchus